improves header styling consistency
improves header styling consistency

chtyim/cdap,anthcp/cdap,mpouttuclarke/cdap,caskdata/cdap,mpouttuclarke/cdap,caskdata/cdap,mpouttuclarke/cdap,caskdata/cdap,mpouttuclarke/cdap,mpouttuclarke/cdap,caskdata/cdap,hsaputra/cdap,chtyim/cdap,caskdata/cdap,hsaputra/cdap,anthcp/cdap,anthcp/cdap,anthcp/cdap,caskdata/cdap,hsaputra/cdap,chtyim/cdap,chtyim/cdap,anthcp/cdap,chtyim/cdap,hsaputra/cdap,chtyim/cdap,hsaputra/cdap